time-out vs intermission

time-out and intermission both are nouns.

Word	Noun	Adjective	Verb	Adverb
time-out	Yes	No	No	No
intermission	Yes	No	No	No

As nouns, intermission is a hypernym of time-out; that is, intermission is a word with a broader meaning than time-out:

time-out: a brief suspension of play
intermission: a time interval during which there is a temporary cessation of something

Other hypernyms of time-out include break, interruption, pause, suspension.

time-out (noun)	intermission (noun)
a brief suspension of play	the act of suspending activity temporarily
	a time interval during which there is a temporary cessation of something